Is there a pin-compatible replacement for CQ0603BRNPO9BNR20?

FH 0603CG0R2C500NT shares the same 0603 package and pinout, but has a wider capacitance tolerance (±0.25pF vs ±0.1pF). This parametric difference requires engineering review before use as a drop-in replacement.

What risks should I check before replacing CQ0603BRNPO9BNR20?

Key risks include package size mismatch, which requires a PCB redesign, and wider capacitance tolerance, which can affect the performance of sensitive circuits like RF filters or oscillators. Always verify the candidate's datasheet.

CQ0603BRNPO9BNR20 Alternatives, Datasheet & Cross Reference | Yageo

Find and compare substitutes for the Yageo CQ0603BRNPO9BNR20, a 0.2pF 50V C0G ceramic capacitor in a 0603 package. Review alternatives with different tolerances or packages for your application.

AI replacement insight

Package riskhigh

Using the 0402 alternative requires a PCB layout change.

Electrical riskmedium

Using the 0603 alternative with wider tolerance may affect performance in sensitive applications.

Can it be replaced directly?

No direct drop-in replacement with identical parameters was found. The closest option in the same package, 0603CG0R2C500NT, has a wider capacitance tolerance.

Best replacement path

A functional alternate with identical electricals but a smaller 0402 package (0402CG0R2B500NT) is available if a PCB redesign is possible.

Main risk

The main risks are either accepting a wider capacitance tolerance, which can impact circuit tuning, or redesigning the PCB for a smaller package.

Recommended alternatives

A 0.2pF 50V C0G capacitor in the same 0603 package, but with a wider tolerance of ±0.25pF.

View details

Alternative comparison matrix

Feature / factor	CQ0603BRNPO9BNR20	0603CG0R2C500NT	0402CG0R2B500NT	Compatibility / risk
Package	0603 (1608 Metric)	0603	0402	0603 / 0402 — Package size matches.; 0402CG0R2B500NT: Smaller package requires PCB redesign.
Capacitance	0.2 pF	0.2 pF	0.2 pF	0.2 pF — Capacitance value matches.; 0402CG0R2B500NT: Capacitance value matches.
Voltage	50 V	50 V	50 V	50 V — Voltage rating matches.; 0402CG0R2B500NT: Voltage rating matches.
Tolerance	±0.1 pF	±0.25 pF	±0.1 pF	±0.25 pF / ±0.1 pF — Candidate has a wider tolerance.; 0402CG0R2B500NT: Capacitance tolerance matches.
Dielectric	C0G/NP0	C0G	C0G	C0G — Dielectric material matches.; 0402CG0R2B500NT: Dielectric material matches.

Application & sourcing insights

Questions & answers

The best alternative depends on your design constraints. For a functional match in a smaller package, consider FH 0402CG0R2B500NT. If you can accept wider tolerance in the same package, FH 0603CG0R2C500NT is an option.